## Retrieve Trace For Step

`steps.trace.retrieve(strstep_id)  -> ProviderTrace`

**get** `/v1/steps/{step_id}/trace`

Retrieve Trace For Step

### Parameters

- `step_id: str`

  The ID of the step in the format 'step-<uuid4>'

### Returns

- `class ProviderTrace: …`

  Letta's internal representation of a provider trace.

  Attributes:
  id (str): The unique identifier of the provider trace.
  request_json (Dict[str, Any]): JSON content of the provider request.
  response_json (Dict[str, Any]): JSON content of the provider response.
  step_id (str): ID of the step that this trace is associated with.
  agent_id (str): ID of the agent that generated this trace.
  agent_tags (list[str]): Tags associated with the agent for filtering.
  call_type (str): Type of call (agent_step, summarization, etc.).
  run_id (str): ID of the run this trace is associated with.
  source (str): Source service that generated this trace (memgpt-server, lettuce-py).
  organization_id (str): The unique identifier of the organization.
  user_id (str): The unique identifier of the user who initiated the request.
  compaction_settings (Dict[str, Any]): Compaction/summarization settings (only for summarization calls).
  llm_config (Dict[str, Any]): LLM configuration used for this call (only for non-summarization calls).
  created_at (datetime): The timestamp when the object was created.

  - `request_json: Dict[str, object]`

    JSON content of the provider request

  - `response_json: Dict[str, object]`

    JSON content of the provider response

  - `id: Optional[str]`

    The human-friendly ID of the Provider_trace

  - `agent_id: Optional[str]`

    ID of the agent that generated this trace

  - `agent_tags: Optional[List[str]]`

    Tags associated with the agent for filtering

  - `billing_context: Optional[BillingContext]`

    Billing context for LLM request cost tracking.

    - `cost_source: Optional[str]`

      Cost source: 'quota' or 'credits'

    - `customer_id: Optional[str]`

      Customer ID for billing records

    - `plan_type: Optional[str]`

      Subscription tier

  - `call_type: Optional[str]`

    Type of call (agent_step, summarization, etc.)

  - `compaction_settings: Optional[Dict[str, object]]`

    Compaction/summarization settings (summarization calls only)

  - `created_at: Optional[datetime]`

    The timestamp when the object was created.

  - `created_by_id: Optional[str]`

    The id of the user that made this object.

  - `last_updated_by_id: Optional[str]`

    The id of the user that made this object.

  - `latency_ms: Optional[int]`

    LLM request latency in milliseconds

  - `llm_config: Optional[Dict[str, object]]`

    LLM configuration used for this call (non-summarization calls only)

  - `org_id: Optional[str]`

    ID of the organization

  - `run_id: Optional[str]`

    ID of the run this trace is associated with

  - `source: Optional[str]`

    Source service that generated this trace (memgpt-server, lettuce-py)

  - `step_id: Optional[str]`

    ID of the step that this trace is associated with

  - `updated_at: Optional[datetime]`

    The timestamp when the object was last updated.

### Example

```python
import os
from letta_client import Letta

client = Letta(
    api_key=os.environ.get("LETTA_API_KEY"),  # This is the default and can be omitted
)
provider_trace = client.steps.trace.retrieve(
    "step-123e4567-e89b-42d3-8456-426614174000",
)
print(provider_trace.id)
```

#### Response

```json
{
  "request_json": {
    "foo": "bar"
  },
  "response_json": {
    "foo": "bar"
  },
  "id": "provider_trace-123e4567-e89b-12d3-a456-426614174000",
  "agent_id": "agent_id",
  "agent_tags": [
    "string"
  ],
  "billing_context": {
    "cost_source": "cost_source",
    "customer_id": "customer_id",
    "plan_type": "plan_type"
  },
  "call_type": "call_type",
  "compaction_settings": {
    "foo": "bar"
  },
  "created_at": "2019-12-27T18:11:19.117Z",
  "created_by_id": "created_by_id",
  "last_updated_by_id": "last_updated_by_id",
  "latency_ms": 0,
  "llm_config": {
    "foo": "bar"
  },
  "org_id": "org_id",
  "run_id": "run_id",
  "source": "source",
  "step_id": "step_id",
  "updated_at": "2019-12-27T18:11:19.117Z"
}
```